Retaining ring mounting clamp



FIG. 1 is a front and top-left perspective view of a retaining ring mounting clamp showing my new design;

FIG. 2 is a left side elevational view, the right side being a mirror image;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for retaining ring mounting clamp, as shown and described. 